The Effect of Black Seed Oil on the Improvement of Chemotherapy Induced Stomatitis in Rat

Methods: In this experimental study, a total of 72 healthy Wistar rats, were randomly divided into three groups [control, placebo, and recipient of black seed oil (treatment)]. The animals were given an intraperitoneal injection of 5-Fluorouracil (5-FU) at doses of 100 and 65mg/kg bw, respectively, on day 1 and 3. Their cheek mucosa was scratched using the tip of an 18-gauge needle on day 3. The rats of the sham injection and treatment groups, intraperitoneally received placebo and Nigella sativa oil daily at the dose of 400μl/kg, respectively. Eight rats in each group, were sacrificed on days 4, 6, and 8, and sampling from their mucus, was performed for histopathological evaluation of the inflammation severity. The data were analyzed using the KruskalWallis and Mann-Whitney U-tests.